參數(shù)資料
型號: MAX3173CAI+T
廠商: Maxim Integrated Products
文件頁數(shù): 13/15頁
文件大?。?/td> 0K
描述: IC TXRX CLK MULTIPROT 28-SSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,000
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 3/3
規(guī)程: RS232
電源電壓: 3 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 帶卷 (TR)
MAX3171/MAX3173
+3.3V Multiprotocol 3Tx/3Rx
Software-Selectable Control Transceiver
_______________________________________________________________________________________
7
Pin Description
PIN
NAME
FUNCTION
1V+
Positive Supply Generated by the Charge Pump (connect to V+ pin of MAX3172/MAX3174).
Bypass V+ to ground with a 3.3F ceramic capacitor.
2
C2+
Positive Terminal of the Inverting Charge-Pump Capacitor. Connect C2+ to C2- with a 1F
ceramic capacitor.
3C2-
Negative Terminal of the Inverting Charge-Pump Capacitor. Connect C2+ to C2- with a 1F
ceramic capacitor.
4V-
Negative Supply Generated by the Charge Pump (connect to V- pin of MAX3172/MAX3174).
Bypass V- to ground with a 3.3F ceramic capacitor.
5, 6, 7
T_IN
Transmitter CMOS Inputs (T1IN, T2IN, T3IN)
8, 9, 10
R_OUT
Receiver CMOS Outputs (R1OUT, R2OUT, R3OUT)
11, 12, 13
M_
Mode Select Inputs (M0, M1, M2). Internally pulled up to VCC. See Table 1 for detailed
information.
14
DCE/
DTE
DCE/
DTE Mode Select Input. Logic level high selects DCE interface; logic level low selects
DTE interface. Internally pulled up to VCC.
15, 18
R_INB
Noninverting Receiver Inputs (R3INB, R2INB)
16, 17
R_INA
Inverting Receiver Inputs (R3INA, R2INA)
19
T3OUTB/R1INB
Noninverting Transmitter Output/Noninverting Receiver Input
20
T3OUTA/R1INA
Inverting Transmitter Output/Inverting Receiver Input
21, 23
T_OUTB
Noninverting Transmitter Outputs (T2OUTB, T1OUTB)
22, 24
T_OUTA
Inverting Transmitter Outputs (T2OUTA, T1OUTA)
25
C1-
Negative Terminal of the Voltage-Doubler Charge-Pump Capacitor. Connect C1+ to C1- with
a 1F ceramic capacitor.
26
GND
Ground
27
VCC
+3.3V Supply Voltage (±5%). Bypass VCC to ground with a 3.3F ceramic capacitor.
28
C1+
Positive Terminal of the Voltage-Doubler Charge-Pump Capacitor. Connect C1+ to C1- with a
1F ceramic capacitor.
Figure 3. V.10/V.28 Driver Test Circuit
RL
CL
Tx
Figure 4. V.10/V.28 Receiver Test Circuit
Test Circuits (continued)
50pF
Tx
Rx
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